"Fred Holabird's Grand Finale": Mining, Americana, & Numismatics Live Auction (2025 October)

Large Smokey Quartz Crystal. 5x7x3 3/4", 5.6 lbs. ^ Date: Country (if not USA): State: City: Provenance:

Rich, dark purple Uruguayan amethyst geode with two crystal balls. Stunning display specimen of small, royal purple amethyst crystals that have forme

Unstabilized opal specimens from the Royal Peacock Opal Mine in Denio, Nevada, near Virgin Valley. Preserved in water in sealed clear glass capsules

Magnificent Collection of Polished and Faceted Opals in 1" circular gem holders. 32 containers overall of different faceted opals of varying ...

Fossil Yellow Coral Exceptional Specimen. Large specimen from Brownsville, about 11" x 8" x 4" thick. a smaller piece has polished en...

Polished Fossilized Coral from Pakistan, with some visible agatization. Single display with one cut face minimally polished to smooth the sharp edge

Polished Fossilized Coral from Pakistan, with some visible agatization. Large single display with one cut face minimally polished to smooth the sharp

Polished Fossilized Coral from Pakistan, Lot of 2 cross sections cut from the same piece of coral. The cut face has been polished to a glassy finish.

Colla wood is an extremely rare version of Petrified Wood that comes from Zile, Turkey formed with inclusions of copper minerals such as Chrysocolla,

Colla wood is an extremely rare version of Petrified Wood that comes from Zile, Turkey formed with inclusions of copper minerals such as Chrysocolla,

Rare Colla Wood. Allegedly found in an open-pit copper mine in Turkey. Vibrant green and blue coloration. Weighs 2lb 13oz. Measures 6x4.75x2.25"...

Rare Colla wood slab pair. Allegedly found in an open-pit copper mine in Turkey. Vibrant blue coloration. Measures 5x6" & 4.5x6". See ...

Petrified Araucaria (conifer) wood with marine Teredo mollusc borings infilled with white radiolarian slit. In simpler terms, this tree wood was bored

Carcharodontosaurus Teeth Lot of 3. Cretaceous, Bahiriya Formation from Taouz, Morocco. Charcharodontosaurus has features of both the Allosaurid and t

Dinosaur gembone, also known as agatized or fossilized dinosaur bone, is a rare and highly prized material formed when the porous structure of dinosau

Dinosaur Gembone Fully Polished Spectacular Red and Green Agate. We saved the best for last. This is the creme de la creme of the beautiful gembones

Dinosaur Gembones Lot of 2 - RARE. Two more beautiful fossilized, agatized dinosaur bones. We learned our lesson and chose NOT to research the specie

A dinosaur coprolite is a fossilized piece of dinosaur feces, providing direct evidence of an animal's diet, behavior, and environment. The word...

From the Personal Collection of Fred Holabird. This piece (an one other in this sale) are from the Green River Formation. Excellent contrast and qual

From the Personal Collection of Fred Holabird. This piece (an one other in this sale) are from the Green River Formation. Excellent contrast and qual

Lot of (6) large stone formal dinner plates. Very unusual, both in appearance and shape. The stone composition is swirls of multiple colors. Measuring

Extra fine Alaska placer gold. Approximately 17.4 grams. ^ Date: Country (if not USA): State: Alaska City: Provenance:

Attractive Alaska Gold Nugget Pendant .26 troy ^ Date: Country (if not USA): State: Alaska City: Provenance:

Gold nugget (12.2 grams; about 18 mm wide and long) with 20 inch necklace. Total weight 25.5 grams. Necklace chain is not marked ^ Date: Country (i

Copper Crystal Leaf Display Specimen from Ray Mine. Fine, high-grade crystallized specimens, metallic red crystals. Measures approx. 12 inches x 7 in

Lot of 3. Native Copper Crystal Leaf from the Ray mine Gila County, Arizona. Very good condition. The leaves have a wooden base they mount in. ^ Da

King Tut Mine Drywash Placer Gold 12 grams, .385 troy, about 85% gold. ^ Date: Country (if not USA): State: Arizona City: Provenance:

King Tut Mine Drywash Placer Gold 8.3 grams, .26 troy, about 80% gold. ^ Date: Country (if not USA): State: Arizona City: Provenance:

King Tut Mine Drywash Placer Gold 7.6 grams, .234 troy, about 99% gold. ^ Date: Country (if not USA): State: Arizona City: Provenance:

King Tut Mine Drywash Placer Gold 23.2 grams, about .52 troy contained, about 70% gold. ^ Date: Country (if not USA): State: Arizona City: Pr

Stunning native gold specimen from the "million dollar pocket" at the Original Sixteen to one Mine. The specimen shows bright wire and cry...

Collected in the 1960's at Bodie, CA by a young Robert Stewart (Nevada History Author). This quartz shows classic leached boxwork from what was ...

Inyo county has some of the most productive silver mines at Darwin and Cerro Gordo. 6 specimens general high grade collected underground at various mi

Near Jamestown, Tuolumne County, California. 168 grams. Perhaps 25 grams of gold? 2.5 L x 1.75 W x 1.75" H. Native gold in quartz. Vein was 1.7...

Lake County California Gold in Quartz About 8 slabs, varying size about 1 1/2" - 2" square each. Jewelry Grade. 111.4 grams. The McLaugh...

Lake County California Gold in Quartz About 8 slabs, varying size about 1 1/2" - 2" square each. Choice Jewelry Grade. 187 grams. The McL...

Lake County California Gold in Quartz About 7 slabs, varying size about 1 1/2" - 2" square each. Jewelry Grade. 130 grams. The McLaughli...

Lake County California Fine Wire Gold Slabs About 5 pieces, varying size about 2-3"square each. Choice Jewelry Grade. 157.8 grams. The McLaugh...

Lake County California Gold in Quartz Slabs, Jewelry Grade. 83.5 grams. Slabs vary in size. Generally 1" plus. Fine Gold in quartz unpolished. ...

Lake County California Gold in Quartz 2 Slabs, about 2" square each. Jewelry Grade. 93.7 grams. Fine Gold in quartz unpolished. ^ Date: Cou...

Lake County California Gold in Quartz small mixed slab group. 7 slabs, varying size about 1 1/2" - 2" square each. Jewelry Grade. 97.2 gr...

Lake County California Raw, Uncut Gold in Quartz About 3 pieces, varying size about 1 1/2" - 2" square each. Choice Jewelry Grade. 87.5 g...

California Fine Gold About 1 ounce. Jewelry grade. Size #14. About1/8" minus. ^ Date: Country (if not USA): State: California City: Pr...

California Gold Nugget Group About 1 ounce. Jewelry grade. Size #6. About 1/4" each. ^ Date: Country (if not USA): State: California City...

California Gold Nugget Group About 1 ounce. Jewelry grade. Perfect for rings and pendants. Size #10. About 1/8" to 1/4" each. ^ Date: ...

California Gold Nugget Group About 1 ounce. Jewelry grade. Size #8. About 1/4" each. ^ Date: Country (if not USA): State: California City...

California Gold Nugget Group, 1 ounce. About 15 Nuggets, size #4 about 1/4 -1/2" each. Jewelry Grade. ^ Date: Country (if not USA): Sta...

Attractive gold nugget: 20 x13 x 10 mm; 19.2 grams. From a mining geologists personal collection! ^ Date: Country (if not USA): State: City: P

Beautiful gold piece 3/4 of an inch by 1 1/4 inch. 7.9 grams, with unknown black mineral. ^ Date: Country (if not USA): State: City: Provenanc

1 piece broken into 2 pieces of cobaltite with visible high grade silver from Sunshine Mine in Idaho. About 885 grams total weight. Total measuremen